Files
86Box/src/cpu/x86_ops_io.h

143 lines
3.0 KiB
C

static int
opIN_AL_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 1);
AL = inb(port);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 2, -1, 1, 0, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opIN_AX_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 2);
AX = inw(port);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 2, -1, 1, 0, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opIN_EAX_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 4);
EAX = inl(port);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 2, -1, 0, 1, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opOUT_AL_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 1);
outb(port, AL);
CLOCK_CYCLES(10);
PREFETCH_RUN(10, 2, -1, 0, 0, 1, 0, 0);
if (port == 0x64)
return x86_was_reset;
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opOUT_AX_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 2);
outw(port, AX);
CLOCK_CYCLES(10);
PREFETCH_RUN(10, 2, -1, 0, 0, 1, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opOUT_EAX_imm(uint32_t fetchdat)
{
uint16_t port = (uint16_t) getbytef();
check_io_perm(port, 4);
outl(port, EAX);
CLOCK_CYCLES(10);
PREFETCH_RUN(10, 2, -1, 0, 0, 0, 1, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opIN_AL_DX(uint32_t fetchdat)
{
check_io_perm(DX, 1);
AL = inb(DX);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 1, -1, 1, 0, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opIN_AX_DX(uint32_t fetchdat)
{
check_io_perm(DX, 2);
AX = inw(DX);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 1, -1, 1, 0, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opIN_EAX_DX(uint32_t fetchdat)
{
check_io_perm(DX, 4);
EAX = inl(DX);
CLOCK_CYCLES(12);
PREFETCH_RUN(12, 1, -1, 0, 1, 0, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opOUT_AL_DX(uint32_t fetchdat)
{
check_io_perm(DX, 1);
outb(DX, AL);
CLOCK_CYCLES(11);
PREFETCH_RUN(11, 1, -1, 0, 0, 1, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return x86_was_reset;
}
static int
opOUT_AX_DX(uint32_t fetchdat)
{
check_io_perm(DX, 2);
outw(DX, AX);
CLOCK_CYCLES(11);
PREFETCH_RUN(11, 1, -1, 0, 0, 1, 0, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}
static int
opOUT_EAX_DX(uint32_t fetchdat)
{
check_io_perm(DX, 4);
outl(DX, EAX);
PREFETCH_RUN(11, 1, -1, 0, 0, 0, 1, 0);
if (nmi && nmi_enable && nmi_mask)
return 1;
return 0;
}